<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";

import { chartApiBar, remoteChartApi,chartBIanalysis  } from "@/api/tool/datav/chartApi";
import { linkChart } from "../../util/LinkageChart";
import { addOption } from "../../codegen/codegen";
import VueEvent from "@/views/tool/datav/VueEvent";
import { parallelBarBIanalysis } from "@/api/tool/datav/chartBI/parallelBarBi";
import { getFormsource } from "@/api/tool/datav/formsource";
import { websocketCommand } from "../../util/websocket.js";
const animationDuration = 6000;

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.$nextTick(() => {
          this.setOptions(JSON.parse(JSON.stringify(newVal)));
        });
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //先判断输入的url是否合法
        // if(fIsUrL(dataOption.interfaceURL)) {
        //   try {
        //     //ajax请求
        //     var paramJson = parseQueryString(dataOption.requestParameters);
        //   } catch (error) {

        //   }
        // }
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await parallelBarBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      //*******************************************使用主题******************************************************/
      let color = [];
      if (dataOption.isThemeColor) {
        color = this.chartOption.theme.color;
        dataOption.linearColor0 = color[0];
        dataOption.linearColor1 = color[1];
      }

      let category = dataOption.staticDataValue; // 类别
      var total = dataOption.total; // 数据总数
      var datas = [];
      let totalArry = [];
      category.forEach(value => {
        datas.push(value.value);
        totalArry.push(dataOption.total);
      });

      let xAxis = dataOption.xAxis;
      xAxis.max = total;
      let option = {
        title: dataOption.title,
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "shadow"
            //     shadowStyle: {
            //         color: 'transparent'
            // }
          },
          formatter(params) {
            for (let x in params) {
              return params[x].value;
            }
          }
        },
        xAxis: xAxis,
        grid: dataOption.grid,
        yAxis: [
          {
            type: "category",
            inverse: false,
            data: category,
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false
            }
          }
        ],
        series: [
          {
            // 内
            type: "bar",
            barWidth: 18,

            legendHoverLink: false,
            silent: true,
            itemStyle: {
              normal: {
                color: function(params) {
                  return {
                    type: "linear",
                    x: 0,
                    y: 0,
                    x2: 1,
                    y2: 0,
                    colorStops: [
                      {
                        offset: 0,
                        color: dataOption.linearColor0 // 0% 处的颜色
                      },
                      {
                        offset: 1,
                        color: dataOption.linearColor1 // 100% 处的颜色
                      }
                    ]
                  };
                }
              }
            },
            label: {
              normal: {
                show: true,
                position: "left",
                formatter: "{b}",
                textStyle: {
                  color: dataOption.fontColor,
                  fontSize: dataOption.fontSize,
                  fontFamily: dataOption.fontFamily
                }
              }
            },
            data: category,
            z: 1,
            animationEasing: "elasticOut"
          },
          {
            // 分隔
            type: "pictorialBar",
            itemStyle: {
              normal: {
                color: dataOption.symbolColor
              }
            },
            symbolRepeat: "fixed",
            symbolMargin: 6,
            symbol: "rect",
            symbolClip: true,
            symbolSize: [1, 21],
            symbolPosition: "start",
            symbolOffset: [1, -1],
            symbolBoundingData: this.total,
            data: category,
            z: 2,
            animationEasing: "elasticOut"
          },
          {
            // 外边框
            type: "pictorialBar",
            symbol: "rect",
            symbolBoundingData: total,
            itemStyle: {
              normal: {
                color: "none"
              }
            },
            label: {
              normal: {
                formatter: params => {
                  var text;
                  text =
                    "{f| " + ((params.data * 100) / total).toFixed(2) + "%}";
                  return text;
                },
                rich: {
                  f: {
                    color: dataOption.fontColor,
                    fontSize: dataOption.fontSize,
                    fontFamily: dataOption.fontFamily
                  }
                },
                position: "right",
                distance: 0, // 向右偏移位置
                show: true
              }
            },
            data: datas,
            z: 0,
            animationEasing: "elasticOut"
          },
          {
            name: "外框",
            type: "bar",
            barGap: "-120%", // 设置外框粗细
            data: totalArry,
            barWidth: 25,
            itemStyle: {
              normal: {
                color: "transparent", // 填充色
                barBorderColor: dataOption.borderColor, // 边框色
                barBorderWidth: 1, // 边框宽度
                barBorderRadius: 1, //圆角半径
                label: {
                  // 标签显示位置
                  show: false,
                  position: "top" // insideTop 或者横向的 insideLeft
                }
              }
            },
            z: 0
          }
        ]
      };
      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);
      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            seriesName: dataOption.staticDataValue[params.dataIndex].name,
            data: dataOption.staticDataValue[params.dataIndex].value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });

        // this.chart.getZr().off('click');
        // this.chart.getZr().on('click',(params) => {
        //   let point=[params.offsetX,params.offsetY];
        //   if(this.chart.containPixel('grid',point)){
        //       // 使用 convertFromPixel方法 转换像素坐标值到逻辑坐标系上的点。获取点击位置对应的x轴数据的索引值，借助于索引值的获取到其它的信息
        //       let pointInGrid = this.chart.convertFromPixel({ seriesIndex: 1 }, point)
        //       // x轴数据的索引值
        //       let xIndex = pointInGrid[1]

        //       //设置参数
        //       let arrObject = {
        //         "seriesName":dataOption.staticDataValue[xIndex].name,
        //         "data":dataOption.staticDataValue[xIndex].value
        //       }

        //       let arrs = JSON.stringify(arrObject);

        //       //获取绑定的图表
        //       let bindList = this.chartOption.bindList;

        //       if(bindList.length > 0){

        //         linkChart(dataOption.arrName, arrs, bindList,this.drawingList)

        //       }

        //   }

        // })
      }
      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            seriesName: dataOption.staticDataValue[params.dataIndex].name,
            data: dataOption.staticDataValue[params.dataIndex].value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }

      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              seriesName: dataOption.staticDataValue[params.dataIndex].name,
              data: dataOption.staticDataValue[params.dataIndex].value
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
